JP7141862B2 - 対象表示装置の目標ピーク輝度へ画像をトーン適応させる方法 - Google Patents

対象表示装置の目標ピーク輝度へ画像をトーン適応させる方法 Download PDF

Info

Publication number
JP7141862B2
JP7141862B2 JP2018114485A JP2018114485A JP7141862B2 JP 7141862 B2 JP7141862 B2 JP 7141862B2 JP 2018114485 A JP2018114485 A JP 2018114485A JP 2018114485 A JP2018114485 A JP 2018114485A JP 7141862 B2 JP7141862 B2 JP 7141862B2
Authority
JP
Japan
Prior art keywords
dynamic range
ldr
low
hdr
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2018114485A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019008789A (ja
JP2019008789A5 (https=
Inventor
コーヴァン，ローラン
ポーリ，タニア
ケルヴェ，ジョナサン
Original Assignee
インターデジタル ヴイシー ホールディングス， インコーポレイテッド
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by インターデジタル ヴイシー ホールディングス， インコーポレイテッド filed Critical インターデジタル ヴイシー ホールディングス， インコーポレイテッド
Publication of JP2019008789A publication Critical patent/JP2019008789A/ja
Publication of JP2019008789A5 publication Critical patent/JP2019008789A5/ja
Application granted granted Critical
Publication of JP7141862B2 publication Critical patent/JP7141862B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20024—Filtering details
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Processing Of Color Television Signals (AREA)
JP2018114485A 2017-06-23 2018-06-15 対象表示装置の目標ピーク輝度へ画像をトーン適応させる方法 Active JP7141862B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17305778.7 2017-06-23
EP17305778.7A EP3418972A1 (en) 2017-06-23 2017-06-23 Method for tone adapting an image to a target peak luminance lt of a target display device

Publications (3)

Publication Number Publication Date
JP2019008789A JP2019008789A (ja) 2019-01-17
JP2019008789A5 JP2019008789A5 (https=) 2021-07-26
JP7141862B2 true JP7141862B2 (ja) 2022-09-26

Family

ID=59276650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018114485A Active JP7141862B2 (ja) 2017-06-23 2018-06-15 対象表示装置の目標ピーク輝度へ画像をトーン適応させる方法

Country Status (5)

Country Link
US (1) US10510140B2 (https=)
EP (2) EP3418972A1 (https=)
JP (1) JP7141862B2 (https=)
KR (1) KR102475139B1 (https=)
CN (1) CN109118436B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3477946A1 (en) * 2017-10-31 2019-05-01 Thomson Licensing Method and device for obtaining a second image from a first image when the dynamic range of the luminance of said first image is greater than the dynamic range of the luminance of said second image
CN110223256A (zh) * 2019-06-10 2019-09-10 北京大学深圳研究生院 一种逆色调映射方法、装置及电子设备
EP3764346A1 (en) 2019-07-09 2021-01-13 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images
CN115335853A (zh) * 2020-03-02 2022-11-11 交互数字Vc控股法国公司 用于逆色调映射的方法和装置
JP7744937B2 (ja) * 2020-06-26 2025-09-26 インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ 適応型輝点減衰を伴う逆トーンマッピング
KR102564447B1 (ko) * 2021-11-30 2023-08-08 엘지전자 주식회사 디스플레이 장치
CN118175246A (zh) * 2022-12-09 2024-06-11 荣耀终端有限公司 处理视频的方法、显示设备及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120229495A1 (en) 2011-03-08 2012-09-13 Dolby Laboratories Licensing Corporation Interpolation of Color Gamut For Display on Target Display
JP2017502602A (ja) 2013-12-27 2017-01-19 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 画像の逆トーンマッピングの方法
US20170061590A1 (en) 2015-08-25 2017-03-02 Thomson Licensing Method for inverse tone mapping of a sequence of images

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101466596B1 (ko) 2006-11-27 2014-11-28 돌비 레버러토리즈 라이쎈싱 코오포레이션 디지털 이미지들에서의 동적 범위를 부스팅하기 위한 장치 및 방법들
US8135230B2 (en) * 2007-07-30 2012-03-13 Dolby Laboratories Licensing Corporation Enhancing dynamic ranges of images
US9571856B2 (en) 2008-08-25 2017-02-14 Microsoft Technology Licensing, Llc Conversion operations in scalable video encoding and decoding
EP2684365A1 (en) 2011-03-10 2014-01-15 Dolby Laboratories Licensing Corporation Bitdepth and color scalable video coding
PL4421797T3 (pl) 2011-09-27 2025-09-01 Koninklijke Philips N.V. Urządzenie i sposób do przekształcenia zakresu dynamiki obrazów
EP2769677A4 (en) * 2011-10-20 2015-08-05 Hitachi Aloka Medical Ltd METHOD AND EQUIPMENT FOR ULTRASONIC IMAGING
US9607364B2 (en) 2013-11-22 2017-03-28 Dolby Laboratories Licensing Corporation Methods and systems for inverse tone mapping
EP2958075A1 (en) * 2014-06-20 2015-12-23 Thomson Licensing Method and apparatus for dynamic range expansion of LDR video sequence
EP3231174B1 (en) 2014-12-11 2020-08-26 Koninklijke Philips N.V. Optimizing high dynamic range images for particular displays
CN104408752B (zh) * 2014-12-11 2017-07-04 西安电子科技大学 一种基于混合色调映射算法的高动态范围图像压缩方法
EP3079364A1 (en) * 2015-04-09 2016-10-12 Thomson Licensing Methods and devices for generating, encoding or decoding images with a first dynamic range, and corresponding computer program products and computer-readable medium
CN104881854B (zh) * 2015-05-20 2017-10-31 天津大学 基于梯度和亮度信息的高动态范围图像融合方法
CN107949864B (zh) 2015-08-25 2023-05-16 交互数字麦迪逊专利控股公司 基于亮度区域的逆色调映射
KR102523505B1 (ko) 2015-08-31 2023-04-18 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 역 톤 매핑을 위한 방법 및 장치
WO2017190786A1 (en) 2016-05-04 2017-11-09 1/1Thomson Licensing Optimized content-adaptive inverse tone mapping for low to high dynamic range conversion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120229495A1 (en) 2011-03-08 2012-09-13 Dolby Laboratories Licensing Corporation Interpolation of Color Gamut For Display on Target Display
JP2017502602A (ja) 2013-12-27 2017-01-19 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 画像の逆トーンマッピングの方法
US20170061590A1 (en) 2015-08-25 2017-03-02 Thomson Licensing Method for inverse tone mapping of a sequence of images

Also Published As

Publication number Publication date
US10510140B2 (en) 2019-12-17
KR20190000811A (ko) 2019-01-03
CN109118436B (zh) 2023-11-03
JP2019008789A (ja) 2019-01-17
EP3418973A1 (en) 2018-12-26
EP3418973B1 (en) 2022-01-12
CN109118436A (zh) 2019-01-01
EP3418972A1 (en) 2018-12-26
KR102475139B1 (ko) 2022-12-07
US20180374202A1 (en) 2018-12-27

Similar Documents

Publication Publication Date Title
JP7141862B2 (ja) 対象表示装置の目標ピーク輝度へ画像をトーン適応させる方法
JP4556276B2 (ja) 画像処理回路及び画像処理方法
JP4595330B2 (ja) 画像処理装置および方法、記録媒体、並びにプログラム
CN102918562B (zh) 用于生成增强图像的方法和系统
JP4214457B2 (ja) 画像処理装置および方法、記録媒体、並びにプログラム
US8170362B2 (en) Edge-enhancement device and edge-enhancement method
JP2022130642A (ja) コンピュータビジョンのための適応バイラテラル（ｂｌ）フィルタリング
CN102196175A (zh) 图像处理设备和方法以及程序
CN115147290B (zh) 图像处理方法、设备和存储介质
CN109785239B (zh) 图像处理的方法和装置
JP2020177297A5 (https=)
CN117994147A (zh) 一种基于深度神经网络的低照度图像对比度增强方法
JP4479527B2 (ja) 画像処理方法、画像処理装置、画像処理プログラム、および電子カメラ
JP5295854B2 (ja) 画像処理装置及び画像処理プログラム
JP5624896B2 (ja) 画像処理装置、画像処理プログラム、及び、画像処理方法
CN111064967A (zh) 图像的压缩方法、装置、系统和存储介质
JP4632100B2 (ja) 画像処理装置、画像処理方法、記録媒体、およびプログラム
JP2015102945A (ja) 画像回復フィルタの生成方法、画像処理方法、撮像装置、画像処理装置
EP4058976A1 (en) Device and method for pre-processing image data for a computer vision application
JP6628925B2 (ja) 画像表示装置及びその制御方法
JP2011199787A (ja) 画像処理装置及び画像処理方法
JP4035546B2 (ja) 画像処理方法及びコンピュータ読み取り可能な記憶媒体
JP4818212B2 (ja) 画像処理装置及び方法
WO2022206240A1 (zh) 图像处理方法、装置及电子设备
KR100224885B1 (ko) 이득 조절 기능을 가진 양자화된 평균-매칭 히스토그램 등화를 이용한 화질 개선방법 및 그 회로

Legal Events

Date Code Title Description
RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20181220

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20181227

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20191106

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210609

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210609

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20220715

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220824

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220912

R150 Certificate of patent or registration of utility model

Ref document number: 7141862

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250